Finite element modelling of tow geometry in 3D woven fabrics

被引：102

作者：

Mahadik, Y. ^{[1
]}

Hallett, S. R. ^{[1
]}

机构：

[1] Univ Bristol, Adv Composites Ctr Innovat & Sci, Bristol BS8 1TR, Avon, England

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2010年 / 41卷 / 09期

关键词：

3D reinforcement; Defects; Finite element analysis (FEA); Resin transfer moulding (RTM); TEXTILE COMPOSITES; PREFORMS; COMPACTION; SIMULATION;

D O I：

10.1016/j.compositesa.2010.05.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A finite element model of a 3D woven angle interlock fabric undergoing compaction based on the multi-element digital chain technique has been developed. The aim was to create a kinematic model to predict the internal architectural features in a commercial off-the-shelf code A statistical analysis of yarn crimp and resin channel size was carried out on sections from the model at increasing levels of compaction and compared to laboratory-manufactured samples with the same weave style. Results show a good correlation between overall mean crimp values in the warp, weft and weaver yarns as well as reasonable accuracy in the frequency distribution of local crimp angles. The trend in resin channel size with respect to increasing levels of compaction was also good but significant discrepancies in the absolute dimensions of a resin channel were present due to limitations in controlling the yarn bundle internal interactions in the model. (C) 2010 Elsevier Ltd All rights reserved.

引用

页码：1192 / 1200

页数：9

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